Chuck



FIG. 1 is a perspective view of a chuck showing my new design.

FIG. 2 is a right side view of a chuck according to FIG. 1, the left side view being identical to the right side view.

FIG. 3 is a top view of a chuck according to FIG. 1; and,

FIG. 4 is a bottom view of a chuck according to FIG. 1.

The broken lines and the areas within the broken lines form no part of the claimed ornamental design. 

The ornamental design for a chuck, as shown and described. 